103304421 has 12 divisors (see below), whose sum is σ = 162782880. Its totient is φ = 62608680.

The previous prime is 103304389. The next prime is 103304437. The reversal of 103304421 is 124403301.

It is not a de Polignac number, because 103304421 - 2⁵ = 103304389 is a prime.

It is a super-3 number, since 3×103304421³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103304394 and 103304403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103304441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 521641 + ... + 521838.

It is an arithmetic number, because the mean of its divisors is an integer number (13565240).

Almost surely, 2^103304421 is an apocalyptic number.

103304421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103304421 is a deficient number, since it is larger than the sum of its proper divisors (59478459).

103304421 is a wasteful number, since it uses less digits than its factorization.

103304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043496 (or 1043493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103304421 is about 10163.8782460240. The cubic root of 103304421 is about 469.2161689908.

Adding to 103304421 its reverse (124403301), we get a palindrome (227707722).

The spelling of 103304421 in words is "one hundred three million, three hundred four thousand, four hundred twenty-one".